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Samsung SecretSamsung Secret
DATE : 1. July. 2010Customer : COBY
SAMSUNG TFTSAMSUNG TFT--LCDLCD
MODEL MODEL : LTA550HJ07: LTA550HJ07
The Information Described in this Specification is Preliminary and can be changed without
prior notice
Product InformationProduct Information
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LCD Business
Samsung Electronics Co . , LTD.
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Samsung SecretSamsung SecretContents
General Description --------------------------------------------------------------------------------------- (3)
General Information --------------------------------------------------------------------------------------- (3)
1. Absolute Maximum Ratings -------------------------------------------------------------------------- (4)
2. Optical Characteristics --------------------------------------------------------------------------------- (5)
3. Electrical Characteristics ------------------------------------------------------------------------------- (8)
3.1 TFT LCD Module
3.2 Back Light Unit
3.3 Inverter Input & Specification
4. Input Terminal Pin Assignment --------------------------------------------------------------------- (11)
4.1 Input Signal & Power
4.2 Inverter Input Pin Configuration
4.3 Inverter Input Power Sequence
4.4 LVDS Interface
4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
5. Interface Timing ---------------------------------------------------------------------------------------- (17)
5 1 Timing Parameters (DE only mode)
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5.1 Timing Parameters (DE only mode)
5.2 Timing Diagrams of interface Signal (DE only mode)
5.3 Power ON/OFF Sequence
6. Outline Dimension -------------------------------------------------------------------------------------- (20)
7. Packing --------------------------------------------------------------------------------------------------- (23)
8. Marking & Others --------------------------------------------------------------------------------------- (24)
9. General Precaution ------------------------------------------------------------------------------------- (25)
9.1 Handling
9.2 Storage
9.3 Operation
9.4 Operation Condition Guide
9.5 Others
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LTA550HJ07 is a color active matrix liquid crystal display (LCD) that uses amorphous silicon
TFT(Thin Film Transistor) as switching components. This model is composed of a TFT LCD panel,
a driver circuit and a back light unit. The resolution of a 55.0“ is 1920 x 1080 and this model can
display up to 1.07 Billion colors with wide viewing angle of 89°or higher in all directions. This panel
is intended to support applications to provide a excellent performance for Flat Panel Display such
as Home-alone Multimedia TFT-LCD TV and High Definition TV
� RoHS compliance (Pb-free)
� High contrast ratio & aperture ratio with wide color gamut
� SPVA(Super Patterned Vertical Align) mode
� Wide viewing angle (± 178°)� High speed response ( & Natural Motion (DFR: Double Frame Rate) )
� FHD resolution (16:9)
� Low Power consumption
� Direct Type 16 CCFLs(Cold Cathode Fluorescent Lamp)
� DE(Data Enable) mode
� 4ch LVDS (Low Voltage Differential Signaling) interface (4pixel/clock)
Features
General Description
Description
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General Information
Items Specification Unit Note
Module Size1,286 (H) X 745 (V)
mm ± 1.0mm62.5
Weight 18,000 (Max) g
Pixel Pitch 0.630(H) x 0.630(W) mm
Active Display Area 1209.6(H) X 680.4(V) mm
Surface Treatment Antiglare, Hard-coating(3H)
Display Colors 1.07 Billion colors
Number of Pixels 1920 x 1080 pixel
Pixel Arrangement RGB vertical stripe
Display Mode Normally Black
Luminance of White 450 (Typ.) cd/m2
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1. Absolute Maximum Ratings
If the condition exceeds maximum ratings, it can cause malfunction or unrecoverable
damage to the device.
Note (1) Ta= 25 ± 2 °C(2) Temperature and relative humidity range are shown in the figure below.
a. 90 % RH Max. (Ta ≤ 39 °C)
b. Relative Humidity is 90% or less. (Ta �39 °C)
c No condensation
Item Symbol Min. Max. Unit Note
Power Supply Voltage VDD GND-0.5 13.2 V(1)
Dimming Control Max. Lum - 5 V
Storage temperature TSTG -20 60 �(2)
Operating temperature TOPR 0 50 �
Surface temperature TSUR 0 60 � (3)
Shock ( non - operating ) X,Y,Z 50 G (4)
Vibration ( non - operating ) VNOP - 1.5 G (5)
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Fig. Temperature and Relative humidity range
c. No condensation
(3) Although abnormal visual problems can be occurred in TSUR range, the polarizer
is not damaged in this range.
(4) 11ms, sine wave, one time for ± X, ± Y, ± Z axis
(5) 10-300 Hz, Sweep rate 10min, 30min for X,Y,Z axis
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Samsung SecretSamsung Secret2. Optical Characteristics
The optical characteristics should be measured in a dark room or equivalent.
Measuring equipment : TOPCON RD-80S, TOPCON SR-3, ELDIM EZ-Contrast
(Ta = 25 ± 2°C, VDD=12V, fv= 120Hz, fDCLK = 297.0MHz, Lamp current = 11.5mA)
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)C/R 3,500 5,000 -
(1)
SR-3
Response
TimeG-to-G Tg
Normal
qL,R =0
qU,D =0
Viewing
Angle
- 6 - msec(3)
RD-80S
Luminance of White
(Center of screen)YL 400 450 - cd/m2 (4)
SR-3
Color
Chromaticity
(CIE 1931)
RedRx
TYP.
-0.03
0.637
TYP.
+0.03
(5),(6)
SR-3
Ry 0.326
GreenGx 0.287
Gy 0.607
BlueBx 0.150
By 0.055
WhiteWx 0.280
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Wy 0.290
Color Gamut - - 72 - % (5)
SR-3Color Temperature - - 10,000 - K
Viewing
Angle
Hor.qL
C/R≥10
75 89 -
Degree(6)
EZ-Contrast
qR 75 89 -
Ver.qU 75 89 -
qD 75 89 -
White Brightness
Uniformity
(9 Points)
Buni - - 25 %(2)
SR-3
- Test Equipment Setup
The measurement should be executed in a stable, windless and dark room between
40min and 60min after lighting the back light at the given temperature for stabilization
of the back light. This should be measured in the center of screen.
Environment condition : Ta = 25 ± 2 °C
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- Definition of test point
320 960 1600
Photo detector Field
SR-3 2�
RD-80S 1�
Photo detector
LCD Panel
TFT - LCD Module
The center of the screen
SR-3 : 50�
RD-80S : 50�
Field
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������������
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Active Area
Test Point
Note (1) Definition of Contrast Ratio (C/R)
: Ratio of gray max (Gmax) & gray min (Gmin) at the center point � of the panel
C RG
G/
max
min=
Gmax : Luminance with all pixels white
Gmin : Luminance with all pixels black
900
540
180
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Note (2) Definition of 9 points brightness uniformity (Test pattern : Full White )
Note (3) Definition of Response time : Sum of Tr, Tf
BuniB B
B= ∗
−100
( max min)
max
Bmax : Maximum brightness
Bmin : Minimum brightness
Display data
Optical Instruments
Response
TIME
TRTF
10%
90%
Black (data off)
0%
Black (data off) White (data on)
100%
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Note (4) Definition of Luminance of White : Luminance of white at center point �
Note (5) Definition of Color Chromaticity (CIE 1931)
Color coordinate of Red, Green, Blue & White at center point �
Note (6) Definition of Viewing Angle
: Viewing angle range (C/R ≥10)
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Samsung SecretSamsung Secret3. Electrical Characteristics
3.1 TFT LCD ModuleThe connector for display data & timing signal should be connected.
Ta = 25°C ± 2 °C
Item Symbol Min. Typ. Max. Unit Note
Voltage of Power Supply VDD 10.8 12.0 13.2 V (1)
Current of
Power
Supply
(a) Black
IDD
- 700 1000 mA
(2),(3)(b) White - 700 1000 mA
(c) H-STRIPE - 1200 1500 mA
Vsync Frequency fV 90 120.0 125 Hz
Hsync Frequency fH 100 135.0 140 kHz
Main Frequency fDCLK 240 297.0 310 MHz
Rush Current IRUSH - - 7 A (4)
Note (1) The ripple voltage should be controlled under 10% of VDD.
(2) fV=120Hz, fDCLK = 297.0MHz, VDD = 12.0V, DC Current.
(3) Power dissipation check pattern (LCD Module only)
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a) Black Pattern b) White Pattern c) H-STRIPE
(4) Measurement Conditions
Rush Current IRUSH can be measured when TRUSH. is 470�.
TRUSH=470�
100%
GND
90%
10%
VDD
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3.2 Back Light Unit
The back light unit contains 16 direct-lighting type CCFLs ( Cold Cathode Fluorescent
Lamp )
Ta=25 ± 2°C
LCD
Module
Socket
Inverter
HOT 1
HOT 2
HOT 15
HOT 16
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Item Symbol Min. Typ. Max. Unit Note
Operating Life Time Hr 50,000 - - Hour (1)
Note (1) It is defined as the time to take until the brightness reduces to 50% of its original
value.
[Operating condition : Ta = 25± 2�, For single lamp only. ]
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Items Symbol ConditionsSpecifications
Unit Note
Min. Typ. Max.
Input
VoltageVin - 22 24 26 V
Ta=25± 2 °C(2)
Input
CurrentIRUSH
Vin=24.0V
Vdim =3.3V- - 10.72 A
(1)Lamp
CurrentIO,MAX Vdim =3.3 V 10.4 11 11.6 mArms
Shut-down
TimeT_SD
Vin = 24V
Vdim =0~3.3V1.0 1.5 2.0 Sec -
Backlight
On/Off
ON Vin=24.0 V 2.4 - 5.25V (2)
OFF Vin=24.0 V 0 - 0.8
Dimming
ControlVDIM
Max Lum 3.3 - -V (2)
Min. Lum - - 0
3.3 Inverter Input Condition & Specification
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PWM
FrequencyFPWM Vin=24.0 V 140 150 160 Hz
PWM Duty Duty Vin=24.0 V 20 - 100 % (3)
Note) Power Consumption is measured when 450 [cd/m ] of luminance which is the typical
luminance.
Lamp Current is measured at the point before Lamp.
(1) Max Value of the Power Consumption is measured after 60 min warm-up.
(2) The ripple voltage should be controlled under 10% of Input Signal
(3) Duty = On/(On+Off) * 100
* Initial turn-on time : From 0sec to 60min after turn-on
On Off
Max
Min
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Samsung SecretSamsung Secret4. Input Terminal Pin Assignment
4.1.1 Input Signal & Power Connector : FI-RE41S-HF (JAE/UJU)
Pin Description Pin Symbol Description
1 Vdd(12V) 21
ODD LVDS
SIGNAL
Rx1[3]P
2 Vdd(12V) 22 Rx1[4]N
3 Vdd(12V) 23 Rx1[4]P
4 Vdd(12V) 24 GND
5 Vdd(12V) 25 Rx3[0]N
6 No Connection 26 Rx3[0]P
7 GND 27 Rx3[1]N
8 GND 28 Rx3[1]P
9 GND 29 Rx3[2]N
10 Rx1[0]N 30 Rx3[2]P
11 Rx1[0]P 31 GND
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ODD LVDS
SIGNAL
11 Rx1[0]P 31 GND
12 Rx1[1]N 32 Rx3CLK-
13 Rx1[1]P 33 Rx3CLK+
14 Rx1[2]N 34 GND
15 Rx1[2]P 35 Rx3[3]N
16 GND 36 Rx3[3]P
17 Rx1CLK- 37 Rx3[4]N
18 Rx1CLK+ 38 Rx3[4]P
19 GND 39 GND
20 Rx1[3]N 40 No Connection
41 No Connection
Note) No Connection: This PINS are only used for SAMSUNG internal using.
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4.1.2 Input Signal & Power Connector : FI-RE51S-HF (JAE/UJU)
Pin Description Pin Description
1 Vdd(12V) 26
EVEN
LVDS
SIGNAL
Rx4[0]P
2 Vdd(12V) 27 Rx4[1]N
3 Vdd(12V) 28 Rx4[1]P
4 Vdd(12V) 29 Rx4[2]N
5 Vdd(12V) 30 Rx4[2]P
6 No Connection 31 GND
7 GND 32 Rx4CLK-
8 GND 33 Rx4CLK+
9 GND 34 GND
10 Rx2[0]N 35 Rx4[3]N
11 Rx2[0]P 36 Rx4[3]P
12 Rx2[1]N 37 Rx4[4]N
13 Rx2[1]P 38 Rx4[4]P
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EVEN
LVDS
SIGNAL
14 Rx2[2]N 39 GND
15 Rx2[2]P 40 No Connection
16 GND 41 No Connection
17 Rx2CLK- 42 No Connection
18 Rx2CLK+ 43 No Connection
19 GND 44 No Connection
20 Rx2[3]N 45 LVDS Option * Note(1)
21 Rx2[3]P 46 No Connection
22 Rx2[4]N 47 No Connection
23 Rx2[4]P 48 No Connection
24 GND 49 No Connection
25 Rx4[0]N 50 No Connection
51 No Connection
NOTE) No connection : This Pins are only used for SAMSUNG internal using
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Samsung SecretSamsung SecretNote) Pin number starts from Right side
Pin No. 1 Pin No. 51
�
PCB
#1 #51
#1 #51
Pin No. 1 Pin No. 41
�
#1 #41
#1 #41
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Note(1) LVDS OPTION : If this PIN HIGH ( 3.3V ) → Normal LVDS format
LOW ( GND ) → JEIDA LVDS format
SEQUENCE : On = VDD(T1) → LVDS Option → Interface Signal(T2)
OFF = Interface Signal(T3) → LVDS Option → VDD
Vin
LVDS Option
LVDSSignal
T2 T3
LVDS Option Sequence
a. All GND pins should be connected together and also be connected to the LCD’s
metal chassis.
b. All power input pins should be connected together.
c. All NC pins should be separated from other signal or power.
Fig. Connector diagram
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Samsung SecretSamsung Secret4.2. Inverter Input Pin ConfigurationConnector : 20022WR-14B1 (Yeon-ho)
Pin No.Pin Configuration(FUNCTION)
Master
1 24 V
2 24 V
3 24 V
4 24 V
5 24 V
6 GND
7 GND
8 GND
9 GND
10 GND
11 Error Out
12 Backlight On /Off [ON:2.4 – 5.25 V, OFF: 0 - 0.8 V]
13 Dimming Control [0V:Min, 3.3V:Max]
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4.3. Inverter Input Power Sequence
14 NC
0sec [Min]
Vin (24V)
Dimming Control( 0 ~ 3.3 V )
0.5sec [Min]
0.1 sec [Min]
0.02sec [Min]
Backlight On/Off
0.9 Vin
2.4V(On level)
0.8V(Off level)
0.1 Vin
0.5sec [Min]
0.9 Vin
Note) SEQUENCE : ON = Vin(24V) > Dimming Control ≥ Backlight On/Off
OFF = Backlight On/Off ≥ Dimming Control > Vin(24V)
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Samsung SecretSamsung Secret4.4 LVDS Interface
- LVDS Receiver : Tcon (merged)
- Data Format (JEIDA & Normal)
LVDS pin JEIDA -DATA Normal -DATA
TxOUT/RxIN0
TxIN/RxOUT0 R4 R0
TxIN/RxOUT1 R5 R1
TxIN/RxOUT2 R6 R2
TxIN/RxOUT3 R7 R3
TxIN/RxOUT4 R8 R4
TxIN/RxOUT6 R9 R5
TxIN/RxOUT7 G4 G0
TxOUT/RxIN1
TxIN/RxOUT8 G5 G1
TxIN/RxOUT9 G6 G2
TxIN/RxOUT12 G7 G3
TxIN/RxOUT13 G8 G4
TxIN/RxOUT14 G9 G5
TxIN/RxOUT15 B4 B0
TxIN/RxOUT18 B5 B1
TxIN/RxOUT19 B6 B2
TxIN/RxOUT20 B7 B3
TxIN/RxOUT21 B8 B4
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TxOUT/RxIN2
TxIN/RxOUT21 B8 B4
TxIN/RxOUT22 B9 B5
TxIN/RxOUT24 HSYNC HSYNC
TxIN/RxOUT25 VSYNC VSYNC
TxIN/RxOUT26 DEN DEN
TxOUT/RxIN3
TxIN/RxOUT27 R2 R6
TxIN/RxOUT5 R3 R7
TxIN/RxOUT10 G2 G6
TxIN/RxOUT11 G3 G7
TxIN/RxOUT16 B2 B6
TxIN/RxOUT17 B3 B7
TxIN/RxOUT23 RESERVED RESERVED
TxOUT/RxIN4
TxIN/RxOUT28 R0 R8
TxIN/RxOUT29 R1 R9
TxIN/RxOUT30 G0 G8
TxIN/RxOUT31 G1 G9
TxIN/RxOUT32 B0 B8
TxIN/RxOUT33 B1 B9
TxIN/RxOUT34 RESERVED RESERVED
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4.5 Input Signals, Basic Display Colors and Gray Scale of Each Color
COLORDISPLAY
(8bit)
DATA SIGNALGRAY
SCALE
LEVEL
RED GREEN BLUE
R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9
BASIC
COLOR
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -
BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 -
GREEN 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 -
CYAN 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
RED 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -
MAGENTA 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 -
YELLOW 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 -
WHITE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
GRAY
SCALE
OF
RED
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R0
DARK
↑
↓
LIGHT
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1
0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R2
: : : : : : : : : : : : : : : : : : : : : : : : : : : : : :R3~
R1020: : : : : : : : : : : : : : : : : : : : : : : : : : : : : :
1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1021
0 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1022
RED 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1023
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Note) Definition of Gray :
Rn : Red Gray, Gn : Green Gray, Bn : Blue Gray (n = Gray level)
Input Signal : 0 = Low level voltage, 1 = High level voltage
RED 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 R1023
GRAY
SCALE
OF
GREEN
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G0
DARK
↑
↓
LIGHT
0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G1
0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 G2
: : : : : : : : : : : : : : : : : : : : : : : : : : : : : :G3~
G1020: : : : : : : : : : : : : : : : : : : : : : : : : : : : : :
0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 G1021
0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 G1022
GREEN 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 G1023
GRAY
SCALE
OF
BLUE
BLACK 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 B0
DARK
↑
↓
LIGHT
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 B1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 B2
: : : : : : : : : : : : : : : : : : : : : : : : : : : : : :B3~
B1020: : : : : : : : : : : : : : : : : : : : : : : : : : : : : :
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 1 1 1 1 B1021
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 B1022
BLUE 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 B1023
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5. Interface Timing
5.1 Timing Parameters ( DE mode )
SIGNAL ITEM SYMBOL MIN. TYP. MAX. Unit NOTE
Clock
Frequency
1/TC 240 297.0 310 MHz -
Hsync FH 100 135.0 140 KHz -
Vsync FV 90 120.0 125 Hz -
Vertical
Display Term
Active
Display
Period
TVD - 1080 - Lines -
Vertical
TotalTV 1090 1125 1380 Lines -
Horizontal
Display Term
Active
Display
Period
THD - 1920 - Clocks -
Horizontal
TotalTH 2092 2200 2350 clocks -
Note) This product is DE mode But the Hsync & Vsync signal must be inputted
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Note) This product is DE mode. But the Hsync & Vsync signal must be inputted
(1) Test Point : TTL control signal and CLK at LVDS Tx input terminal in system
(2) Internal VDD = 3.3V
(3) Spread spectrum
- Modulation rate (max) : ± 1.5 %
- Modulation Frequency : under 100KHz
ITEM SYMBOL Min. Typ. Max. UNIT NOTE
Input Data
PositionFIN=78MHz
tRSRM - - 450 ps
tRSLM -450 - - ps
Input common mode voltage VCM 0.3 - 1.8 V -
Differential Input Voltage |VID| 200 350 600 mV -
5.2 LVDS Input Data Characteristics
Note) When the skew is measured the Spread Spectrum should be 0%
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Samsung SecretSamsung Secret5.2 Timing diagrams of interface signal ( DE mode )
DATA
SIGNALS
DE
TVD
TV
TH
DCLK
TC
DE
THD
TVB
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0.5
VCC
TES
TDS TDH
TCH TCL
TC
DE
DISPLAY
DATA
DCLK
0.5
VCC
0.5
VCC
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Samsung SecretSamsung Secret5.3 Power ON/OFF Sequence
To prevent a latch-up or DC operation of the LCD Module, the power on/off
sequence should be as the diagram below.
0msec<T1≤10msec
0<T2≤50msec
0<T3≤50msec
1000msec≤T4
1000msec�T5(Recommend Value)
100msec�T6(Recommend Value)
0.5 Vcc0.5 Vcc0.5 Vcc0.5 Vcc
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T1 : VDD rising time from 10% to 90%
T2 : The time from VDD to valid data at power ON.
T3 : The time from valid data off to VDD off at power Off.
T4 : VDD off time for Windows restart
T5 : The time from valid data to B/L enable at power ON.
T6 : The time from valid data off to B/L disable at power Off.
� The supply voltage of the external system for the Module input should be the same
as the definition of VDD.
� Apply the lamp voltage within the LCD operation range. When the back light turns on
before the LCD operation or the LCD turns off before the back light turns off,
the display may momentarily show abnormal screen.
� In case of VDD = off level,
please keep the level of input signals low or keep a high impedance.
� T4 should be measured after the Module has been fully discharged between power off
and on period.
� Interface signal should not be kept at high impedance when the power is on.
� In Case T5 is less than 1000msec and T6 is less than 100msec,
Garbage Display can be seen. (It is not related to electrical function issue, Just for
recommendation to prevent Garbage Display )
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7. PACKING
7.1 CARTON (Internal Package)(1) Packing Form
Corrugated fiberboard box and corrugated cardboard as shock absorber
(2) Packing Method
Direction be able to open it
Packing
-Pallet Box
Cushion-Foam
LCD Module
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Item Specification Remark
LCD Packing 9 ea / (Packing-
Pallet Box)
1. 162 kg / LCD (9ea)
2. 13.4 Kg / Cushion-pallet (2ea)
3. 10.5 Kg / Packing-Pallet Box (1ea)
4. Cushion-pallet Material : EPS
5. Packing-Pallet Box Material : DW4
Pallet 1Box / Pallet 1. Pallet weight = 10 kg
Packing Direction Vertical
Total Pallet Size H x V x height 1475mm(H) x 1150mm(V) x 995mm(height)
Total Pallet
Weight195.9 kg
Pallet(10kg) + Module (162 kg) + Cushion
(up + bottom =13.4kg) + Pallet-BOX(10.5kg)
7.2 Packing Specification
Cushion-Foam
Pallet-Plastic
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8. MARKING & OTHERS
A nameplate bearing followed by is affixed to a shipped product at the specified
location on each product.
(1) Part number : LTA550HJ07
(2) Revision: Three letters
(3) Lot number : X X X X XXX XX X
Cell Position No. (In the Glass)
Glass No. (In the one Lot)
Lot No. (Glass)
Month
Year (Note1)
Product code
Line
40mm
Week code : 09 25
week
year
(4) Nameplate Indication
LTA550HJ07
TC
0925
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80mm
(6) Others
1. After service part
Lamps cannot be replaced because of the narrow bezel structure.
(5) Packing box attach
Part number100mm
165mm
Box serial number
������������
��
���������� ���
Lot number
Revision code
����
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Samsung SecretSamsung Secret9. General Precautions9.1 Handling(a) When the Module is assembled, it should be attached to the system firmly
using all mounting holes. Be careful not to twist and bend the Module.
(b) Because the inverter use high voltage, it should be disconnected from power
before it is assembled or disassembled.
(c) Refrain from strong mechanical shock and / or any force to the Module.
In addition to damage, this may cause improper operation or damage to the Module
and CCFT back light.
(d) Note that polarizers are very fragile and could be damage easily.
Do not press or scratch the surface harder than a HB pencil lead.
(e) Wipe off water droplets or oil immediately. If you leave the droplets for a long
time, staining or discoloration may occur.
(f) If the surface of the polarizer is dirty, clean it using absorbent cotton or soft cloth.
(g) Desirable cleaners are water, IPA(Isopropyl Alcohol) or Hexane.
Do not use Ketone type materials(ex. Acetone), Ethyl alcohol, Toluene, Ethyl acid
or Methyl chloride. It might permanent damage to the polarizer due to chemical
reaction
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reaction.
(h) If the liquid crystal material leaks from the panel, it should be kept away
from the eyes or mouth . In case of contact with hands, legs or clothes, it must
be washed away with soap thoroughly.
(i) Protect the module from Electrostatic discharge. Otherwise the ASIC IC or
semiconductor would be damaged.
(j) Use finger-stalls with soft gloves in order to keep display clean during the
incoming inspection and assembly process.
(k) Do not disassemble the Module.
(l) Do not disassemble shield case of inverter & LVDS board
(m) Do not connect N.C pins. (Samsung internal use only)
(n) Protection film for polarizer on the Module should be slowly peeled off just before use
so that the electrostatic charge can be minimized. Must put on antistatic glove while
handling a module
(o) Pins of I/F connector should not be touched directly with bare hands.
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Samsung SecretSamsung Secret9.2 Storage
(a) Do not leave the Module in high temperature, and high humidity for a long time.
It is highly recommended to store the Module with temperature from 0 to 35�
and relative humidity of less than 70%.
(b) Do not store the TFT-LCD Module in direct sunlight.
(c) The Module should be stored in a dark place. It is prohibited to apply sunlight or
fluorescent light in storing.
9.3 Operation
(a) Do not connect or disconnect the Module in the "Power On" condition.
(b) Power supply should always be turned on/off by the "Power on/off sequence"
(c) Module has high frequency circuits. Sufficient suppression to the electromagnetic
interference should be done by system manufacturers. Grounding and shielding methods
may be important to minimize the interference.
(d) The cable between the back light connector and its inverter power supply should
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(d) The cable between the back light connector and its inverter power supply should
be connected directly with a minimized length. A longer cable between
the back light and the inverter may cause lower luminance of lamp(CCFT) and
may require higher startup voltage(Vs).
9.4 Operation Condition Guide
(a) The LCD product should be operated under normal conditions.
Normal condition is defined as below;
- Temperature : 20± 15�
- Humidity : 55± 20%
- Display pattern : continually changing pattern (Not stationary)
(b) If the product will be used in extreme conditions such as high temperature,
humidity, display patterns or operation time etc.., It is strongly recommended
to contact SEC for Application engineering advice. Otherwise, its reliability and
function may not be guaranteed. Extreme conditions are commonly found at
Airports, Transit Stations, Banks, Stock market, and Controlling systems.
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Samsung SecretSamsung Secret9.5 Others
(a) Ultra-violet ray filter is necessary for outdoor operation.
(b) Avoid condensation of water. It may result in improper operation or disconnection
of electrode.
(c) Do not exceed the absolute maximum rating value. ( supply voltage variation,
input voltage variation, variation in part contents and environmental temperature,
and so on)
Otherwise the Module may be damaged.
(d) If the Module keeps displaying the same pattern for a long period of time,
the image may be "sticked" to the screen.
To avoid image sticking, it is recommended to use a screen saver.
(e) This Module has its circuitry PCB's on the rear side and should be handled
carefully in order not to be stressed.
(f) Please contact SEC in advance when you display the same pattern for a long time.
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